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No exploitation reportedFix available

CVE-2022-21127

No exploitation reported by the sources we read.

  • Published2022-06-15
  • WeaknessCWE-459

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Timeline

dates in UTC
  1. 2022-06-1520:15CVE publishedNVD

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
10.0= 10.0no fix published
11.0= 11.0no fix published
Intel sgx psw
BranchAffectedFixed in
2.17< 2.17.100.32.17.100.3
2.16< 2.16.100.32.16.100.3
Intel sgx sdk
BranchAffectedFixed in
2.17< 2.17.100.32.17.100.3
2.16< 2.16.100.32.16.100.3

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As intel, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Intel(R) Processors
    Affected
    • = See referencesno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-07-07

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • dtb-aarch64openSUSE:Leap 15.4all versions · fixed in 5.14.21-150400.24.11.1and 10 other packages
  • dtb-aarch64openSUSE:Leap 15.4all versions · fixed in 5.3.18-150300.59.71.1
  • dtb-aarch64openSUSE:Leap 15.3all versions · fixed in 5.3.18-150300.59.71.1and 2 other packages
  • intel-microcodeUbuntu:Pro:16.04:LTSall versions · fixed in 3.20220510.0ubuntu0.16.04.1+esm1
  • intel-microcodeUbuntu:Pro:14.04:LTSall versions · no fixed version listed
  • intel-microcodeUbuntu:22.04:LTSall versions · fixed in 3.20220510.0ubuntu0.22.04.1
  • intel-microcodeUbuntu:20.04:LTSall versions · fixed in 3.20220510.0ubuntu0.20.04.1
  • intel-microcodeUbuntu:18.04:LTSall versions · fixed in 3.20220510.0ubuntu0.18.04.1

128 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-21127 Red Hat Product Security8 known affected

    hw: cpu: Incomplete cleanup in specific special register read operations (aka SRBDS update)

    microcode_ctl as a component of Red Hat Enterprise Linux 6 · microcode_ctl.src as a component of Red Hat Enterprise Linux 6 · microcode_ctl as a component of Red Hat Enterprise Linux 7 · +5 more

Full record on NVD

Fix

  1. Workaround from the vendor Red Hat Product Security CVE-2022-21127 · 8 productsMitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation baser or stability.
  2. No fix available, says the vendor Red Hat Product Security CVE-2022-21127 · 8 productsAffected

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
2022-06-15
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-q9qj-gqmf-73c2

Frequently asked questions

What is CVE-2022-21127?

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Is CVE-2022-21127 actively exploited?

Active exploitation of CVE-2022-21127 has not been confirmed. Its EPSS score was 5.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-21127?

CVE-2022-21127 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record